The Higgs Boson, Part I

Why was the Higgs boson included in the Standard Model despite not being discovered until 2012?

What role does the Higgs field play in the Standard Model of particle physics?

Explain the significance of the Higgs boson in relation to the mass of other particles.

What implications does the discovery of the Higgs boson have for the completeness of the Standard Model?

Discuss the potential for new discoveries if the Higgs boson does not match expectations.